Finding the Fourth Proportional to 31,411.33, 43,333.18 and 19,300.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,411.33 : 43,333.18 = 19,300.82 : x
2. Step 2: Convert to fraction form
   31,411.33/43,333.18 = 19,300.82/x
3. Step 3: Cross multiply
   31,411.33x = 43,333.18 × 19,300.82
4. Step 4: Simplify right side
   31,411.33x = 836,365,907.21
5. Step 5: Solve for x
   x = 836,365,907.21/31,411.33
6. Step 6: Final answer
   x = 26,626.25